"Action file" correspondence, 1964-1965

"Action file" correspondence, 1964-1965, - 06 PDT 5 Sub- 1 Sub- 3 Box 16 Folder 1, Box: 16, Folder: 1. Philip Duncan Thompson Papers, - 06-PDT. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/1658 Accessed April 21, 2026.